短語詞組短語bottom simulating reflection 擬海底反射層bottom m reflection coefficient 海底反射系數(shù)bottom complex reflection coefficient 海底復反射系數(shù)bottom m reflection 海底反射bottom reflection wave 樁底反射bottom reflection phase shift 海底反射相移梯度bottom reflection coefficient 海底反射系數(shù)sub -bottom reflection 海底反射water bottom reflection 水底反射multiple bottom reflection 海底多次反射 返回 bottom reflection